The aim of this work is to investigate Common Rail injector behavior towards multiple injection strategies. A numerical model has been developed to simulate the electro-fluid-mechanic behavior of a Bosch mass production injector (standard injector) and validation against experiments has been performed. In order make the injector performing multiple injections, a deep investigation has been numerically carried out. The numerical study highlighted different area where injector may be improved with particular emphasis on electronic driving circuit. A new driving circuit concept, previously developed, has been successfully simulated showing promising fast-response capability for injector actuation.
Development of a Dynamic Model for Studying the 1st Generation of Common Rail Injectors for HSDI Diesel Engines / Bianchi, G. M.; Pelloni, S. F. P.; Filicori, F.; Milani, M.. - In: SAE TECHNICAL PAPER. - ISSN 0148-7191. - 2001-:September(2001). (Intervento presentato al convegno SAE 2001 Internal Combustion Engines, ICENAPLES 2001 tenutosi a ita nel 2001) [10.4271/2001-24-0013].
Development of a Dynamic Model for Studying the 1st Generation of Common Rail Injectors for HSDI Diesel Engines
Bianchi G. M.
;Milani M.
2001
Abstract
The aim of this work is to investigate Common Rail injector behavior towards multiple injection strategies. A numerical model has been developed to simulate the electro-fluid-mechanic behavior of a Bosch mass production injector (standard injector) and validation against experiments has been performed. In order make the injector performing multiple injections, a deep investigation has been numerically carried out. The numerical study highlighted different area where injector may be improved with particular emphasis on electronic driving circuit. A new driving circuit concept, previously developed, has been successfully simulated showing promising fast-response capability for injector actuation.
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